题目内容

基于以下描述:有关系模式R(S, T, C, D, G),根据语义有如下函数依赖集:F={(S, C) →T, C→D, (S, C) →G, T→C}。
关系模式R的规范化程度最高达到()。

A. 1NF
B. 2NF
C. 3NF
D. 4NF

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【B17】

A. associated
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C. combined
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Ⅰ. 表 Ⅱ. 数据类型 Ⅲ. 约束 Ⅳ. 规则
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